What are the terms in the expression 6x +5y +3 a) 6 and 5 b) 6x 5y and 3 c) 3 d) x and y

Which expression is equivalent to √ -80?

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).